Products > Test Equipment
Keysight 3000T scope 1 GHz(or more) hardware upgrade mod
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EE-digger:
TheSteve will probably chime in with better info but I don't think there is an easy method of identifying the parts that need to be swapped.  I believe other efforts started with the 100MHz model.

Also, keep in mind that 500MHz units I've looked at actually had a bandwidth around 600 to 625 MHz.  I believe I've seen that the 1GHz scope has more of a brick wall above 1GHz (whereas the lower BW scopes keep going and going, albeit with loss of amplitude.)  Just an FYI.

EEVblog:

--- Quote from: maxwell3e10 on August 09, 2022, 02:17:30 pm ---This is amazing level of hacking!
--- End quote ---

Agreed. I'm impressed that people are willing to hardware mod such an expensive high end scope.
2N3055:

--- Quote from: maxwell3e10 on August 09, 2022, 02:17:30 pm ---This is amazing level of hacking! I am wondering if it would be slightly simpler if one starts with a 500MHz 3054T? Would that substantially reduce the number of components that need to be replaced to get to 1 GHz?

--- End quote ---

Did you read this topic?
Literally in first post by OP there is a link to 500 MHz conversion by Memset where it is explained.
https://www.eevblog.com/forum/testgear/keysight-3000t-scope-1-ghz-hardware-upgrade-mod/msg1245159/#msg1245159
500 MHz conversion is substantially easier.

Sorry my memory serves me badly... That particular conversion was 3000A, not 3000T to 500MHz.
TheSteve:
The 500 MHz mod for the T series should be roughly the same as the A series however I don't think anyone has ever actually done it to verify 100% the exact components that need to be changed. And yes, it would be much simpler compared to the 1 GHz mod.
tv84:

--- Quote from: EEVblog on August 18, 2022, 02:15:06 am ---Agreed. I'm impressed that people are willing to hardware mod such an expensive high end scope.

--- End quote ---

After Steve lead the way, for others should be child's play (except me, of course... :) ).
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